Home / 29,143.62-40,234.78-19,236.42

Finding the Fourth Proportional to 29,143.62, 40,234.78 and 19,236.42

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Solution

The fourth proportional to 29,143.62, 40,234.78 and 19,236.42 is: 26,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,143.62 : 40,234.78 = 19,236.42 : x
  2. Step 2: Convert to fraction form
    29,143.62/40,234.78 = 19,236.42/x
  3. Step 3: Cross multiply
    29,143.62x = 40,234.78 × 19,236.42
  4. Step 4: Simplify right side
    29,143.62x = 773,973,126.69
  5. Step 5: Solve for x
    x = 773,973,126.69/29,143.62
  6. Step 6: Final answer
    x = 26,557.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.